What is the perpendicular distance of the point P(6,7, 8) from xy-plan

1.	What is the perpendicular distance of the point P(6,7, 8) from xy-plane?
A.	8
B.	7
C.	6
D.	None of these
Answer» B. 7

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What is the perpendicular distance of the point P(6,7, 8) from xy-plane?

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